Base | Representation |
---|---|
bin | 1011000111010110100… |
… | …01111100000110011110 |
3 | 1100111202120122020000221 |
4 | 11203223101330012132 |
5 | 22224120021023210 |
6 | 451240002111554 |
7 | 36406643303020 |
oct | 5435321740636 |
9 | 1314676566027 |
10 | 381904470430 |
11 | 137a6813218a |
12 | 6202304b5ba |
13 | 2a0236a0cb2 |
14 | 146acbca010 |
15 | 9e02e701da |
hex | 58eb47c19e |
381904470430 has 32 divisors (see below), whose sum is σ = 812722818240. Its totient is φ = 126423548160.
The previous prime is 381904470397. The next prime is 381904470463. The reversal of 381904470430 is 34074409183.
It is an interprime number because it is at equal distance from previous prime (381904470397) and next prime (381904470463).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94063111 + ... + 94067170.
It is an arithmetic number, because the mean of its divisors is an integer number (25397588070).
Almost surely, 2381904470430 is an apocalyptic number.
381904470430 is an abundant number, since it is smaller than the sum of its proper divisors (430818347810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381904470430 is a wasteful number, since it uses less digits than its factorization.
381904470430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188130324.
The product of its (nonzero) digits is 290304, while the sum is 43.
The spelling of 381904470430 in words is "three hundred eighty-one billion, nine hundred four million, four hundred seventy thousand, four hundred thirty".
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